Ten percent lighter than its predecessor, the Nike Free TR 5.0 Gym Red/Bright Crimson/White/Black of Men’s Nike Training Shoe provides locked-down support while allowing your foot to move naturally to help you meet the demands of intense multi-sport workouts.SUPPORT MEETS ULTRALIGHT FLEXIBILITYIncreased AgilityOutsole flex grooves create six points of flexibility, allowing your foot to move naturally in every direction.Lightweight StabilityFlywire cables integrate with the laces for an adaptive, supportive fit that doesn’t weigh your foot down.Lateral SupportThe strong, lightweight woven mesh upper offers plenty of side-to-side support for quick movements and hard lateral cuts.More BenefitsWaffle pistons on the outsole absorb impact and add responsivenessRounded heel fits the shape of your foot and rolls with the ground for a more natural footstrikeAbrasion-resistant rubber on the heel and toe add extra durabilityNike Free OriginsAfter learning that Stanford athletes had been training barefoot on the university’s golf course, three of Nike’s most innovative and creative employees set out to develop a shoe that felt natural and weightless, similar to bare feet. In 2002, they examined a group of men and women with pressure measuring insoles taped to their feet, using high-speed cameras to capture images of each foot in motion. The team spent eight years studying the biomechanics of shoeless running. The results yielded a profound understanding of the foot’s natural landing angle, pressure and toe position, allowing Nike designers to build an unconventional and flexible running shoe from the inside out....The Nike Shoes more colors